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SID212EVO P20EE SCR Efficiency Fault: Why It Keeps Coming Back
SID212EVO P20EE SCR Efficiency Fault: Why It Keeps Coming Back Quick answer: P20EE means the ECU thinks the SCR system is not reducing NOx enough. On SID212EVO, it often returns because the root cause sits upstream of the part you replaced. Common triggers include NOx sensor drift, AdBlue dosing issues,…
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P207F vs P20EE: Quality Warning or SCR Efficiency Fault?
P207F vs P20EE: AdBlue Quality Warning or SCR Efficiency Fault? Quick answer: P207F points to AdBlue quality or dosing problems. P20EE means SCR efficiency is low because NOx is not being reduced as expected. Both can start a countdown to start prevented. Fix P207F first because bad dosing can cause…